Title:
Method of making rock bit cutter
Document Type and Number:
United States Patent 3003370
Inventors:
Coulter Jr., John B.
Publication Date:
10/10/1961
Assignee:
CHICAGO PNEUMATIC TOOL CO
Other Classes:
175/374, 76/DIG.002, 76/108.100, 76/2, 148/319
International Classes:
B21K5/06; B23P15/28; B21K5/00
US Patent References:
| 2266565 | Heat treatment of steel | | | |
| 2407642 | Method of treating cutter teeth | | | |
| 2660405 | Cutting tool and method of making | | | |